li {
    list-style: none;
}

#step7 {
    background-color: rgba(242, 242, 242, 1);
    ;
}

.content7 {
    height: 714px;
    width: 1420px;
    margin: 0 auto;
}

.content7 #text2 {
    margin-left: 1240px;
    color: #000;
    font-size: 20px;
    letter-spacing: 1px;
    line-height: 30px;
    clear: both;
    top: -340px;
    height: 170px;
}

.tab {
    width: 1421px;
    height: 550px;
}

.tab_list {
    width: 200px;
    float: right;
}

.tab_list li {
    float: left;
    width: 200px;
    height: 110px;
    color: #000000;
    line-height: 110px;
    text-align: center;
    cursor: pointer;
    font-size: 20px;
    position: relative;
}

.limouseover {
    font-size: 22px;
    font-weight: bold;
    background-color: #BBF3F3;
}

.def_li {
    font-weight: bold;
}

.tab_list .remark {
    font-size: 13px;
    position: absolute;
    top: 22px;
    left: 57px;
}

.tab_list .current .remark {
    position: absolute;
    font-weight: bold;
    top: 20px;
    left: 53px;
}

.tab_con {
    width: 1221px;
    height: 550px;
    float: left;
}

.tab_con img {
    position: absolute;
    top: 11px;
    left: 11px;
}

.item_info {
    padding: 20px 0 0 20px;
}

.item {
    width: 1221px;
    height: 550px;
    display: none;
    position: relative;
}

.item img {
    width: 1200px;
    height: 530px;
}

.content7 .Top {
    overflow: hidden;
    clear: both;
    background-color: rgba(242, 242, 242, 1);
    padding-top: 60px;
    padding-bottom: 15px;
}

.underline {
    border-bottom: 2px solid #00FFFF;
}

.def_underline {
    border-bottom: 4px solid #00FFFF;
}